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dc.contributor.authorSomveille, Mariusen
dc.contributor.authorRodrigues, Ana SLen
dc.contributor.authorManica, Andreaen
dc.date.accessioned2018-07-20T14:20:17Z
dc.date.available2018-07-20T14:20:17Z
dc.date.issued2018-06en
dc.identifier.issn2397-334X
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/278375
dc.description.abstractThe uneven distribution of biodiversity on Earth is one of the most general and puzzling patterns in ecology. Many hypotheses have been proposed to explain it, based for example on evolutionary processes or constraints related to geography and energy. However, previous studies investigating these hypotheses have been mainly descriptive as controlled experiments are hardly feasible at such large geographical scale. Here, we use bird migration – the seasonal redistribution of about 15% of bird species across the world – as a natural experiment for testing the species-energy relationship, the hypothesis that animal diversity is driven by energetic constraints. We develop a mechanistic model of bird distributions across the world and across seasons based on simple ecological and energetic principles. Using this model, we show that bird species distribute as to optimise the balance between energy acquisition and energy expenditure while taking into account competition with other species. These findings support, and provide a mechanistic explanation for, the species-energy relationship. They also provide a general explanation of migration as a mechanism allowing birds to optimise their energy budget in the face of seasonality and competition. Finally, our mechanistic model provides a tool for predicting how ecosystems will respond to global anthropogenic change.
dc.format.mediumPrint-Electronicen
dc.languageengen
dc.subjectAnimalsen
dc.subjectBirdsen
dc.subjectSeasonsen
dc.subjectEnergy Metabolismen
dc.subjectEnergy Intakeen
dc.subjectModels, Biologicalen
dc.subjectAnimal Distributionen
dc.titleEnergy efficiency drives the global seasonal distribution of birds.en
dc.typeArticle
prism.endingPage969
prism.issueIdentifier6en
prism.publicationDate2018en
prism.publicationNameNature ecology & evolutionen
prism.startingPage962
prism.volume2en
dc.identifier.doi10.17863/CAM.25722
dcterms.dateAccepted2018-04-06en
rioxxterms.versionofrecord10.1038/s41559-018-0556-9en
rioxxterms.versionAM*
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserveden
rioxxterms.licenseref.startdate2018-06en
dc.contributor.orcidSomveille, Marius [0000-0002-6868-5080]
dc.contributor.orcidRodrigues, Ana SL [0000-0003-4775-0127]
dc.contributor.orcidManica, Andrea [0000-0003-1895-450X]
dc.identifier.eissn2397-334X
rioxxterms.typeJournal Article/Reviewen
rioxxterms.freetoread.startdate2019-05-07


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